In addition to basic compass function, also match a map fixed position, more easily provide the regions in all countries urgent telephone by the revolving of map to the purpose headway, ensure a self security

GeoLog saves the sensors data (gps, accelerometer, magnetometer data, etc.) of your device to a log file and calculates the coverage of the site. The coverage is a ratio of the track covering area to the area of the site (expressed in percents)